JPS638402B2 - - Google Patents
Info
- Publication number
- JPS638402B2 JPS638402B2 JP52119699A JP11969977A JPS638402B2 JP S638402 B2 JPS638402 B2 JP S638402B2 JP 52119699 A JP52119699 A JP 52119699A JP 11969977 A JP11969977 A JP 11969977A JP S638402 B2 JPS638402 B2 JP S638402B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- mask
- wafer
- optical system
- objective lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 21
- 230000010287 polarization Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 description 48
- 210000001747 pupil Anatomy 0.000 description 25
- 238000003384 imaging method Methods 0.000 description 23
- 239000000758 substrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 3
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 241000276498 Pollachius virens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002508 contact lithography Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7065—Production of alignment light, e.g. light source, control of coherence, polarization, pulse length, wavelength
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11969977A JPS5453562A (en) | 1977-10-05 | 1977-10-05 | Photoelectric detector |
DE19782843282 DE2843282A1 (de) | 1977-10-05 | 1978-10-04 | Fotoelektrische erfassungsvorrichtung |
US05/948,776 US4251129A (en) | 1977-10-05 | 1978-10-05 | Photoelectric detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11969977A JPS5453562A (en) | 1977-10-05 | 1977-10-05 | Photoelectric detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5453562A JPS5453562A (en) | 1979-04-26 |
JPS638402B2 true JPS638402B2 (enrdf_load_stackoverflow) | 1988-02-23 |
Family
ID=14767873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11969977A Granted JPS5453562A (en) | 1977-10-05 | 1977-10-05 | Photoelectric detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5453562A (enrdf_load_stackoverflow) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624504A (en) * | 1979-08-06 | 1981-03-09 | Canon Inc | Photoelectric detector |
JPS5989420A (ja) * | 1982-11-15 | 1984-05-23 | Canon Inc | 位置合わせ装置 |
JPS5999304A (ja) * | 1982-11-30 | 1984-06-08 | Asahi Optical Co Ltd | 顕微鏡系のレーザ光による比較測長装置 |
JPS59125009A (ja) * | 1982-12-29 | 1984-07-19 | Fujitsu Ltd | パタ−ン検知法 |
JPS6052021A (ja) * | 1983-08-31 | 1985-03-23 | Canon Inc | 位置検出方法 |
JPS60261138A (ja) * | 1984-06-08 | 1985-12-24 | Canon Inc | 位置合わせ装置 |
US4652134A (en) * | 1984-08-28 | 1987-03-24 | Lsi Logic Corporation | Mask alignment system |
JPH079500B2 (ja) * | 1985-04-04 | 1995-02-01 | 株式会社ニコン | アライメント光学装置 |
JPH0715366B2 (ja) * | 1985-08-13 | 1995-02-22 | 株式会社ニコン | 物体位置検出光学装置 |
JPH0785466B2 (ja) * | 1986-07-04 | 1995-09-13 | キヤノン株式会社 | 位置合せ装置 |
JPH0787175B2 (ja) * | 1986-09-19 | 1995-09-20 | キヤノン株式会社 | 露光方法 |
JPS62216231A (ja) * | 1987-01-24 | 1987-09-22 | Nippon Kogaku Kk <Nikon> | アライメント装置 |
WO1988007695A1 (en) * | 1987-03-27 | 1988-10-06 | The Board Of Trustees Of The Leland Stanford Junio | Scanning confocal optical microscope |
-
1977
- 1977-10-05 JP JP11969977A patent/JPS5453562A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5453562A (en) | 1979-04-26 |